TABLE 2.

Unadjusted frequencies of multiple joint symptomatic osteoarthritis phenotype by race and gender (n=1650).

Symptomatic OA Phenotype*	Overall	Comparisons by Race			Comparisons by Gender
		Caucasian	African American	Fisher exact	Women	Men	Fisher exact
	n (%)	n (%)	n (%)	p value†	n (%)	n (%)	p value†
No OA	836 (50.7)	544 (48.6)	292 (55.1)	0.015	488 (46.4)	348 (58.1)	<0.001
Hand Only	64 (3.9)	59 (5.3)	5 (0.9)	<0.001	50 (4.8)	14 (2.3)	0.016
Hip Only	45 (2.7)	33 (3.0)	12 (2.3)	0.518	25 (2.4)	20 (3.3)	0.272
Knee Only	162 (9.8)	87 (7.8)	75 (14.2)	<0.001	115 (10.9)	47 (7.9)	0.048
LS Only	195 (11.8)	136 (12.1)	59 (11.1)	0.569	108 (10.3)	87 (14.5)	0.011
Hand/Hip	13 (0.8)	12 (1.1)	1 (0.2)	0.073	11 (1.1)	2 (0.3)	0.151
Hand/Knee	42 (2.6)	36 (3.2)	6 (1.1)	0.011	36 (3.4)	6 (1.0)	0.002
Hand/LS	42 (2.6)	38 (3.4)	4 (0.8)	0.001	34 (3.2)	8 (1.3)	0.022
Hip/Knee	26 (1.6)	20 (1.8)	6 (1.1)	0.400	12 (1.1)	14 (2.3)	0.067
Hip/LS	28 (1.7)	20 (1.8)	8 (1.5)	0.839	21 (2.0)	7 (1.2)	0.239
Knee/LS	88 (5.3)	50 (4.5)	38 (7.2)	0.026	60 (5.7)	28 (4.7)	0.425
Hand/Hip/Knee	6 (0.4)	6 (0.5)	0 (0)	0.186	5 (0.5)	1 (0.2)	0.426
Hand/Hip/LS	17 (1.0)	15 (1.3)	2 (0.4)	0.113	16 (1.5)	1 (0.2)	0.009
Hand/Knee/LS	32 (1.9)	28 (2.5)	4 (0.8)	0.020	30 (2.9)	2 (0.3)	<0.001
Hip/Knee/LS	37 (2.2)	25 (2.2)	12 (2.3)	1.000	24 (2.3)	13 (2.2)	1.000
All sites	17 (1.0)	11 (1.0)	6 (1.0)	0.797	16 (1.5)	1 (0.2)	0.009
Total	1650 (100)	1120 (100)	530 (100)	--	1051 (100)	599 (100)	--

^*Mutually exclusive, referent is all other phenotypes

^†After Hochberg adjustment for multiple comparisons, BOLD indicates statistically significant differences

LS=lumbosacral spine